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https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
716a33f347
ifcpatch ConvertLengthUnit - change used units from plural to singular names, to make it consistent across the api more test coverage - test converting to more units and back from them
68 lines
2.8 KiB
Python
68 lines
2.8 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2023 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import pathlib
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import pytest
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import ifcopenshell.util.unit
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import numpy as np
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UNITS_FIXTURE_DIR = pathlib.Path(__file__).parent.parent / "fixtures" / "units"
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@pytest.mark.parametrize("ifc_file", UNITS_FIXTURE_DIR.glob("*.ifc"))
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def test_file_units_length_convert(ifc_file: str):
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f = ifcopenshell.open(ifc_file)
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def get_project_unit(f: ifcopenshell.file) -> str:
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unit = ifcopenshell.util.unit.get_project_unit(f, "LENGTHUNIT")
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return ifcopenshell.util.unit.get_full_unit_name(unit)
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base_project_unit = get_project_unit(f)
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target_units = ["MILLIMETRE", "METRE", "CENTIMETRE", "INCH", "FOOT"]
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def convert_file_and_test(f: ifcopenshell.file, project_unit: str, target_unit: str) -> ifcopenshell.file:
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scale = ifcopenshell.util.unit.convert(
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value=1,
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from_prefix=ifcopenshell.util.unit.get_prefix(project_unit),
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from_unit=ifcopenshell.util.unit.get_unit_name_universal(project_unit),
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to_prefix=ifcopenshell.util.unit.get_prefix(target_unit),
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to_unit=ifcopenshell.util.unit.get_unit_name_universal(target_unit),
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)
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new_f = ifcopenshell.util.unit.convert_file_length_units(f, target_unit)
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for element, attr, val in ifcopenshell.util.unit.iter_element_and_attributes_per_type(
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new_f, "IfcLengthMeasure"
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):
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elem_id = element.id()
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original_element = f.by_id(elem_id)
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original_val = getattr(original_element, attr.name())
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def convert_value(value):
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if not isinstance(value, tuple):
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return value * scale
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return tuple(convert_value(v) for v in value)
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# assert element is equal to original element times scale
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assert np.allclose([val], [convert_value(original_val)])
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assert get_project_unit(new_f) == target_unit
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return new_f
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for target_unit in target_units:
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new_f = convert_file_and_test(f, base_project_unit, target_unit)
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convert_file_and_test(new_f, target_unit, base_project_unit)
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